Abstract: A process (1) for producing a cycloolefin resin film comprising the steps of: the step (I) of mixing a cycloolefin monomer and a metathesis polymerization catalyst to prepare a polymerizable composition (A); the step (II) of coating or impregnating the supporting body with the polymerizable composition (A) at once after the step (I), and the step (III) of polymerizing the polymerizable composition (A) by polymerization; and a process (2) for producing a cycloolefin polymer sheet or film with the thickness of 1 mm or less comprising polymerizing a reactive solution containing a ruthenium complex catalyst, having a hetero atom-containing carbene compound as a ligand, and a cycloolefin monomer by ring-opening metathesis bulk polymerization, wherein the polymerization of the cycloolefin monomer is completed by heating the reactive solution to 100° C. or higher at the heating rate of 20° C./min or more.

Abstract: Disclosed are a cycloolefin resin molded product having excellent flame retardance and a polymerizable composition used for producing such a molded product. A polymerizable composition comprising the cycloolefin monomer, a flame retardant and a metathesis polymerization catalyst is characterized in that a monomer having a condensed ring formed of an aliphatic ring having one or more carbon-carbon double bonds and a ring with aromatic characteristics is used as the cycloolefin monomer. A molded product can be produced through bulk polymerization of this polymerizable composition.

Abstract: Process for production of post-crosslinkable thermoplastic resins by bulk-polymerizing a polymerizable composition (A) comprising (I) a monomer fluid containing a cyclic olefin (?) having two or more metathetical ring-opening reaction sites in the molecule in an amount 10 wt % or above based on the total amount of the monomers or a monomer fluid containing a norbornene monomer and a crosslinking agent, (II) a metathetical polymerization catalyst, and (III) a chain transfer agent; thermoplastic resins obtained by this process. These thermoplastic resins are free from odor due to residual monomers and are excellent in storage stability. Process for producing crosslinked resins and composite materials which comprises laminating the thermoplastic resin to a substrate and then crosslinking the thermoplastic resin.

Abstract: The invention relates to a process for the production of post-crosslinkable thermoplastic resins by bulk-polymerizing a polymerizable composition (A) comprising (I) a monomer fluid containing a cyclic olefin (?) having two or more metathetical ring-opening reaction sites in the molecule in an amount 10 wt % or above based on the total amount of the monomers or a monomer fluid containing a norbornene monomer and a crosslinking agent, (II) a metathetical polymerization catalyst, and (III) a chain transfer agent; thermoplastic resins obtained by this process; and a process for producing crosslinked resins or crosslinked resin composite materials which comprises laminating such a thermoplastic resin with a substrate at need and then crosslinking the thermoplastic resin. According to the invention, thermoplastic resins which are free from odor due to residual monomers and excellent in storage stability can be efficiently obtained by a simple process of bulk-polymerizing the composition (A).

Abstract: The present invention intends to provide a crosslinkable molded article and a crosslinked molded article free from molding failures, wherein their coefficient of thermal expansion is sufficiently low, their dimensional accuracy is high and a polymerizable composition is sufficiently filled in a fibrous material; a process for producing the same; and a use of such molded articles. A process for producing the molded articles of the present invention is characterized by producing a crosslinkable molded article by performing ring-opening bulk polymerization of a polymerizable composition comprising a cycloolefin monomer, a metathesis catalyst and, in accordance with need, a crosslinking agent and/or a filler in the presence of a glass yarn cloth having a bulk density of 0.50 to 1.10 g/cm3 and, then, if desired, conducting a crosslinking reaction.

Abstract: Disclosed are a cycloolefin resin molded product having excellent flame retardance and a polymerizable composition used for producing such a molded product. A polymerizable composition comprising the cycloolefin monomer, a flame retardant and a metathesis polymerization catalyst is characterized in that a monomer having a condensed ring formed of an aliphatic ring having one or more carbon-carbon double bonds and a ring with aromatic characteristics is used as the cycloolefin monomer. A molded product can be produced through bulk polymerization of this polymerizable composition.

Abstract: Disclosed are a cycloolefin resin molded product having excellent flame retardance and a polymerizable composition used for producing such a molded-product. A polymerizable composition comprising the cycloolefin monomer, a flame retardant and a metathesis polymerization catalyst is characterized in that a monomer having a condensed ring formed of an aliphatic ring having one or more carbon-carbon double bonds and a ring with aromatic characteristics is used as the cycloolefin monomer. A molded product can be produced through bulk polymerization of this polymerizable composition.

Abstract: Process for production of post-crosslinkable thermoplastic resins by bulk-polymerizing a polymerizable composition (A) comprising (I) a monomer fluid containing a cyclic olefin (?) having two or more metathetical ring-opening reaction sites in the molecule in an amount 10 wt % or above based on the total amount of the monomers or a monomer fluid containing a norbornene monomer and a crosslinking agent, (II) a metathetical polymerization catalyst, and (III) a chain transfer agent; thermoplastic resins obtained by this process. These thermoplastic resins are free from odor due to residual monomers and are excellent in storage stability. Process for producing crosslinked resins and composite materials which comprises laminating the thermoplastic resin to a substrate and then crosslinking the thermoplastic resin.

Abstract: The invention relates to a process for the production of post-crosslinkable thermoplastic resins by bulk-polymerizing a polymerizable composition (A) comprising (I) a monomer fluid containing a cyclic olefin (?) having two or more metathetical ring-opening reaction sites in the molecule in an amount 10 wt % or above based on the total amount of the monomers or a monomer fluid containing a norbornene monomer and a crosslinking agent, (II) a metathetical polymerization catalyst, and (III) a chain transfer agent; thermoplastic resins obtained by this process; and a process for producing crosslinked resins or crosslinked resin composite materials which comprises laminating such a thermoplastic resin with a substrate at need and then crosslinking the thermoplastic resin. According to the invention, thermoplastic resins which are free from odor due to residual monomers and excellent in storage stability can be efficiently obtained by a simple process of bulk-polymerizing the composition (A).

Abstract: The present invention provides a polymerizable composition and a resin formed object capable of providing a crosslinked cycloolefin resin formed object and a crosslinked cycloolefin resin composite excellent in heat resistance, more specifically, a polymerizable composition comprising a cycloolefin mixture containing 0.1 to 50 % by mole of a cycloolefin having, as a substituent group, a monovalent group including an aliphatic carbon-carbon unsaturated bond, a metathesis polymerization catalyst, and a radical generating agent; and formed objects produced by using a polymerizable composition described above which preferably further comprises a chain transfer agent and making the cycloolefin mixture undergo at least ring-opening polymenzation.

Abstract: A polymerizable composition which comprises (i) a cycloolefin monomer, (ii) a metathesis polymerization catalyst, (iii) a chain transfer agent, (iv) a radical crosslinking agent, and (v) a compound (?) selected from the group consisting of compounds having alkoxyphenol structures wherein each aromatic ring has one or more substituents, compounds having aryloxyphenol structures, and compounds having catechol structures wherein each aromatic ring has two or more substituents; a thermoplastic resin composition which comprises (1) a cycloolefin thermoplastic resin, (2) a radical crosslinking agent, and (3) a compound (?); a process for the production thereof; a crosslinked resin obtained by crosslinking the thermoplastic resin composition; and crosslinked resin composite materials produced by laminating a substrate with the thermoplastic resin composition and crosslinking the thermoplastic resin composition.

Abstract: A crosslinkable resin composition is provided which can be a forming material having excellent adhesion to metals and excellent heat resistance. The crosslinkable resin composition comprises; a cycloolefin resin (A) obtained through metathesis polymerization of a cycloolefin monomer in the presence of a compound having two or more vinyl groups in the molecule, and a radical generating agent (B). A crosslinked resin molded product is obtained by crosslinking such a crosslinkable resin composition through heating.

Abstract: The invention relates to a process for the production of post-crosslinkable thermoplastic resins by bulk-polymerizing a polymerizable composition (A) comprising (I) a monomer fluid containing a cyclic olefin (?) having two or more metathetical ring-opening reaction sites in the molecule in an amount 10 wt % or above based on the total amount of the monomers or a monomer fluid containing a norbornene monomer and a crosslinking agent, (II) a metathetical polymerization catalyst, and (III) a chain transfer agent; thermoplastic resins obtained by this process; and a process for producing crosslinked resins or crosslinked resin composite materials which comprises laminating such a thermoplastic resin with a substrate at need and then crosslinking the thermoplastic resin. According to the invention, thermoplastic resins which are free from odor due to residual monomers and excellent in storage stability can be efficiently obtained by a simple process of bulk-polymerizing the composition (A).

Abstract: A process (1) for producing a cycloolefin resin film comprising the steps of: the step (I) of mixing a cycloolefin monomer and a metathesis polymerization catalyst to prepare a polymerizable composition (A); the step (II) of coating or impregnating the supporting body with the polymerizable composition (A) at once after the step (I), and the step (III) of polymerizing the polymerizable composition (A) by polymerization; and a process (2) for producing a cycloolefin polymer sheet or film with the thickness of 1 mm or less comprising polymerizing a reactive solution containing a ruthenium complex catalyst, having a hetero atom-containing carbene compound as a ligand, and a cycloolefin monomer by ring-opening metathesis bulk polymerization, wherein the polymerization of the cycloolefin monomer is completed by heating the reactive solution to 100° C. or higher at the heating rate of 20° C./min or more.

Abstract: Disclosed are a cycloolefin resin molded product having excellent flame retardance and a polymerizable composition used for producing such a molded-product. A polymerizable composition comprising the cycloolefin monomer, a flame retardant and a metathesis polymerization catalyst is characterized in that a monomer having a condensed ring formed of an aliphatic ring having one or more carbon-carbon double bonds and a ring with aromatic characteristics is used as the cycloolefin monomer. A molded product can be produced through bulk polymerization of this polymerizable composition.

Abstract: The present invention provides a polymerizable composition and a resin formed object capable of providing a crosslinked cycloolefin formed object and a crosslinked cycloolefin resin composite excellent in heat resistance, more specifically, a polymerizable composition comprising a cycloolefin mixture containing 0.1 to 50% by mole of a cycloolefin having, as a substituent group, a monovalent group including an aliphatic carbon-carbon unsaturated bond, a metathesis polymerization catalyst, and a radical generating agent; and formed objects produced by using a polymerizable composition described above which preferably further comprises a chain transfer agent and making the cycloolefin mixture undergo at least ring-opening polymerization.

Abstract: The invention relates to a process for the production of post-crosslinkable thermoplastic resins by bulk-polymerizing a polymerizable composition (A) comprising (I) a monomer fluid containing a cyclic olefin (?) having two or more metathetical ring-opening reaction sites in the molecule in an amount 10 wt % or above based on the total amount of the monomers or a monomer fluid containing a norbornene monomer and a crosslinking agent, (II) a metathetical polymerization catalyst, and (III) a chain transfer agent; thermoplastic resins obtained by this process; and a process for producing crosslinked resins or crosslinked resin composite materials which comprises laminating such a thermoplastic resin with a substrate at need and then crosslinking the thermoplastic resin. According to the invention, thermoplastic resins which are free from odor due to residual monomers and excellent in storage stability can be efficiently obtained by a simple process of bulk-polymerizing the composition (A).

Abstract: A crosslinkable resin composition is provided which can be a forming material having excellent adhesion to metals and excellent heat resistance. The crosslinkable resin composition comprises; a cycloolefin resin (A) obtained through metathesis polymerization of a cycloolefin monomer in the presence of a compound having two or more vinyl groups in the molecule, and a radical generating agent (B). A crosslinked resin molded product is obtained by crosslinking such a crosslinkable resin composition through heating.

Abstract: A halogenated aluminum-based cocatalyst provides a metathesis catalyst system with high activity, moisture insensitivity, and long pot lives. The cocatalyst can be employed in solution or in in-mold bulk polymerization processes.

Abstract: A reaction solution comprising a mixture of tricyclopentadiene, a norbornene monomer with at least 3 rings in its backbone, a 5-alkenyl-2-norbornene pot life adjusting agent along with a molybdenum type catalyst system gives prolonged pot life without extending time to exotherm (e.g., smoking time). By utilizing this reaction solution it is possible to bulk polymerize reinforced or unreinforced articles in a mold via ring-opening polymerization. Articles so obtained have good outward appearance and excellent physical properties.